barChart.vue
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<template>
<div class="chart" :id="id"></div>
</template>
<script>
export default {
name: "barChart",
props: {
id: String,
params: Array,
xAxis: Array,
},
watch: {
params: {
handler: function (val) {
this.initData();
},
deep: true,
},
},
data() {
return {
chart: null,
};
},
created() {},
mounted() {
// this.initData();
},
methods: {
setOption(xAxis, params) {
const that = this;
const options = {
color: this.colors || ["#4472c4", "#ed7d32", "#a5a5a5"],
backgroundColor: "#f8f8f8",
tooltip: {
trigger: "axis",
axisPointer: {
type: "shadow",
},
},
legend: {
show: true,
top: 20,
itemHeight: 2,
},
toolbox: {
show: true,
orient: "vertical",
right: "6",
top: "10",
feature: {
magicType: { show: true, type: ["line", "bar"] },
saveAsImage: { show: true },
},
},
xAxis: {
type: "category",
axisLine: { show: true, lineStyle: { color: "#e2e2e2" } },
axisLabel: { color: "#666", interval: 0,rotate:xAxis.length>6?45:0 ,margin:20},
axisTick: { show: true },
boundaryGap: true,
data: xAxis,
},
yAxis: {
type: "value",
minInterval: 1,
axisLine: { show: true, lineStyle: { color: "#e2e2e2" } },
splitLine: {
show: true,
lineStyle: { color: "#eee" },
},
axisLabel: {
color: "#666",
formatter: function (value, index) {
if (value != 0) {
return value;
} else {
return "";
}
},
},
},
grid: {
top: 60,
left: 20,
right: 40,
bottom: 10,
containLabel: true,
},
series: params.map((item) => {
return {
name: item.name,
type: "bar",
symbolSize: "8",
barWidth: 20,
itemStyle: {
borderRadius: [20, 20, 0, 0],
},
lineStyle: {
width: 3,
},
data: item.value,
};
}),
};
return options;
},
initData(xAxis, params) {
if (!xAxis.length) return;
if (!this.chart) {
const div = document.getElementById(this.id);
this.chart = this.$echarts.init(div);
}
const options = this.setOption(xAxis, params);
this.chart?.clear();
this.chart.setOption(options, true);
},
clearChart(){
this.chart?.clear();
},
},
};
</script>
<style lang="scss" scoped>
.chart {
height: 100%;
}
</style>